1158313490 has 16 divisors (see below), whose sum is σ = 2141315352. Its totient is φ = 450802944.

The previous prime is 1158313483. The next prime is 1158313493. The reversal of 1158313490 is 943138511.

It can be written as a sum of positive squares in 4 ways, for example, as 1074462841 + 83850649 = 32779^2 + 9157^2 .

It is a super-2 number, since 2×1158313490² = 2683380282231960200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1158313490.

It is not an unprimeable number, because it can be changed into a prime (1158313493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564919 + ... + 1565658.

Almost surely, 2^1158313490 is an apocalyptic number.

1158313490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158313490 is a deficient number, since it is larger than the sum of its proper divisors (983001862).

1158313490 is a wasteful number, since it uses less digits than its factorization.

1158313490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130621.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1158313490 is about 34034.0049068575. The cubic root of 1158313490 is about 1050.2081189882.

The spelling of 1158313490 in words is "one billion, one hundred fifty-eight million, three hundred thirteen thousand, four hundred ninety".